package com.heimboot.dao;

import com.heimboot.domin.Book;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

/**
 * @author sxd
 * @create 2022-07 -1017:07:19
 */
@Mapper//注解形式
public interface BookDao {
    @Select("select * from book where id=#{id}")
    Book getIn(Integer id);
}
